61606454 has 16 divisors (see below), whose sum is σ = 113735328. Its totient is φ = 24371712.

The previous prime is 61606439. The next prime is 61606459. The reversal of 61606454 is 45460616.

It is a self number, because there is not a number n which added to its sum of digits gives 61606454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61606459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169067 + ... + 169430.

It is an arithmetic number, because the mean of its divisors is an integer number (7108458).

Almost surely, 2^61606454 is an apocalyptic number.

61606454 is a deficient number, since it is larger than the sum of its proper divisors (52128874).

61606454 is a wasteful number, since it uses less digits than its factorization.

61606454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338519.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 61606454 is about 7848.9778952422. The cubic root of 61606454 is about 394.9499568071.

The spelling of 61606454 in words is "sixty-one million, six hundred six thousand, four hundred fifty-four".